/Engine/Source/Editor/UnrealEd/Public/EditorActorFolders.h
Get the folder properties for the specified path. Returns nullptr if no properties exist
[FActorFolderProps](API\Editor\UnrealEd\FActorFolderProps) * GetFolderProperties ( [UWorld](API\Runtime\Engine\Engine\UWorld) & InWorld, const [FFolder](API\Runtime\Engine\FFolder) & InFolder )